DE60307732D1 - Hocheffizientes "stepped-impedance" Filter - Google Patents
Hocheffizientes "stepped-impedance" FilterInfo
- Publication number
- DE60307732D1 DE60307732D1 DE60307732T DE60307732T DE60307732D1 DE 60307732 D1 DE60307732 D1 DE 60307732D1 DE 60307732 T DE60307732 T DE 60307732T DE 60307732 T DE60307732 T DE 60307732T DE 60307732 D1 DE60307732 D1 DE 60307732D1
- Authority
- DE
- Germany
- Prior art keywords
- substrate
- filter
- regions
- section
- highly efficient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/2039—Galvanic coupling between Input/Output
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184854 | 1988-04-22 | ||
US10/184,854 US6781486B2 (en) | 2002-06-27 | 2002-06-27 | High efficiency stepped impedance filter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60307732D1 true DE60307732D1 (de) | 2006-10-05 |
DE60307732T2 DE60307732T2 (de) | 2007-08-23 |
Family
ID=29717978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60307732T Expired - Lifetime DE60307732T2 (de) | 2002-06-27 | 2003-06-13 | Hocheffizientes "stepped-impedance" Filter |
Country Status (6)
Country | Link |
---|---|
US (1) | US6781486B2 (de) |
EP (1) | EP1376745B1 (de) |
JP (2) | JP2004032762A (de) |
AT (1) | ATE337621T1 (de) |
AU (1) | AU2003204881B2 (de) |
DE (1) | DE60307732T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7304555B2 (en) * | 2003-12-22 | 2007-12-04 | Cornell Research Foundation, Inc. | Permalloy loaded transmission lines for high-speed interconnect applications |
CA2463006A1 (en) | 2004-01-27 | 2005-07-27 | Wrapped Apps Corporation | On demand provisioning of web applications |
US7372373B2 (en) * | 2004-08-27 | 2008-05-13 | Itron, Inc. | Embedded antenna and filter apparatus and methodology |
EP1653552A1 (de) * | 2004-10-29 | 2006-05-03 | Siemens Mobile Communications S.p.A. | Abstimmbares Filter mit Mikrostrifenresonators und dazugehöriges Abstimmverfahren |
KR101192231B1 (ko) * | 2007-11-16 | 2012-10-17 | 홀린워스 펀드, 엘.엘.씨. | 메타물질 구조에 기반한 필터 및 필터 설계 방법 |
KR101257737B1 (ko) | 2008-08-22 | 2013-04-25 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 메타 물질을 사용하는 임피던스 제어 전기 상호접속 |
US20100108369A1 (en) * | 2008-10-31 | 2010-05-06 | Alexander Tom | Printed Circuit Boards, Printed Circuit Board Capacitors, Electronic Filters, Capacitor Forming Methods, and Articles of Manufacture |
US8334734B2 (en) | 2009-08-25 | 2012-12-18 | Hollinworth Fund, L.L.C. | Printed multilayer filter methods and designs using extended CRLH (E-CRLH) |
US8958050B2 (en) | 2011-11-17 | 2015-02-17 | Samsung Electronics Co., Ltd. | Tunable terahertz metamaterial filter |
FR2989842B1 (fr) * | 2012-04-24 | 2015-07-17 | Univ Joseph Fourier | Ligne de propagation radiofrequence a ondes lentes |
KR101478483B1 (ko) | 2013-02-08 | 2014-12-31 | 주식회사 에이스테크놀로지 | 향상된 감쇄 특성을 가지는 로우 패스 필터 |
CN105453332B (zh) * | 2013-08-12 | 2019-04-16 | 瑞典爱立信有限公司 | 通孔过渡及其制作方法 |
WO2019171769A1 (ja) * | 2018-03-06 | 2019-09-12 | 国立大学法人大阪大学 | バンドパスフィルタ |
KR102259102B1 (ko) * | 2019-08-19 | 2021-06-02 | 주식회사 에이스테크놀로지 | 전송영점을 갖는 로우 패스 필터 |
US12016113B2 (en) * | 2020-12-22 | 2024-06-18 | Intel Corporation | Mitigating PDN induced RF interference using a stepped impedance filter |
CN114744387A (zh) * | 2022-05-13 | 2022-07-12 | 成都威频科技有限公司 | 一种3GHz-8GHz的YIG可调谐带阻滤波器 |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
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US3571722A (en) * | 1967-09-08 | 1971-03-23 | Texas Instruments Inc | Strip line compensated balun and circuits formed therewith |
FR2050584A5 (de) * | 1969-06-18 | 1971-04-02 | Lignes Telegraph Telephon | |
US3678418A (en) * | 1971-07-28 | 1972-07-18 | Rca Corp | Printed circuit balun |
US4525720A (en) * | 1982-10-15 | 1985-06-25 | The United States Of America As Represented By The Secretary Of The Navy | Integrated spiral antenna and printed circuit balun |
US4495505A (en) * | 1983-05-10 | 1985-01-22 | The United States Of America As Represented By The Secretary Of The Air Force | Printed circuit balun with a dipole antenna |
US4661790A (en) * | 1983-12-19 | 1987-04-28 | Motorola, Inc. | Radio frequency filter having a temperature compensated ceramic resonator |
US4800344A (en) * | 1985-03-21 | 1989-01-24 | And Yet, Inc. | Balun |
US4667172A (en) * | 1986-04-07 | 1987-05-19 | Motorola, Inc. | Ceramic transmitter combiner with variable electrical length tuning stub and coupling loop interface |
US4825220A (en) * | 1986-11-26 | 1989-04-25 | General Electric Company | Microstrip fed printed dipole with an integral balun |
GB2210510A (en) * | 1987-09-25 | 1989-06-07 | Philips Electronic Associated | Microwave balun |
US4924236A (en) * | 1987-11-03 | 1990-05-08 | Raytheon Company | Patch radiator element with microstrip balian circuit providing double-tuned impedance matching |
US4916410A (en) * | 1989-05-01 | 1990-04-10 | E-Systems, Inc. | Hybrid-balun for splitting/combining RF power |
US5039891A (en) * | 1989-12-20 | 1991-08-13 | Hughes Aircraft Company | Planar broadband FET balun |
US5148130A (en) * | 1990-06-07 | 1992-09-15 | Dietrich James L | Wideband microstrip UHF balun |
US5678219A (en) * | 1991-03-29 | 1997-10-14 | E-Systems, Inc. | Integrated electronic warfare antenna receiver |
GB9216915D0 (en) * | 1992-08-10 | 1992-09-23 | Applied Radiation Lab | Improved radio frequency filter |
JP2768873B2 (ja) * | 1992-08-10 | 1998-06-25 | 三菱電機株式会社 | マイクロ波集積回路及びその製造方法 |
US5379006A (en) * | 1993-06-11 | 1995-01-03 | The United States Of America As Represented By The Secretary Of The Army | Wideband (DC to GHz) balun |
JPH0715218A (ja) | 1993-06-21 | 1995-01-17 | Fuji Elelctrochem Co Ltd | 積層誘電体フィルタの製造方法 |
US5455545A (en) * | 1993-12-07 | 1995-10-03 | Philips Electronics North America Corporation | Compact low-loss microwave balun |
JPH07283619A (ja) | 1994-04-07 | 1995-10-27 | Murata Mfg Co Ltd | 誘電体基板 |
US5728470A (en) * | 1994-05-13 | 1998-03-17 | Nec Corporation | Multi-layer wiring substrate, and process for producing the same |
US5523728A (en) * | 1994-08-17 | 1996-06-04 | The United States Of America As Represented By The Secretary Of The Army | Microstrip DC-to-GHZ field stacking balun |
JPH08154006A (ja) | 1994-11-28 | 1996-06-11 | Murata Mfg Co Ltd | 誘電体基板 |
US5761280A (en) * | 1996-09-04 | 1998-06-02 | 8×8, Inc. | Telephone web browser arrangement and method |
US6184845B1 (en) * | 1996-11-27 | 2001-02-06 | Symmetricom, Inc. | Dielectric-loaded antenna |
JPH118111A (ja) * | 1997-06-17 | 1999-01-12 | Tdk Corp | バルントランス用コア材料、バルントランス用コアおよびバルントランス |
US6052039A (en) * | 1997-07-18 | 2000-04-18 | National Science Council | Lumped constant compensated high/low pass balanced-to-unbalanced transition |
JPH11122006A (ja) * | 1997-10-15 | 1999-04-30 | Ngk Spark Plug Co Ltd | マイクロストリップラインフィルタ及びその中心周波数調整方法 |
US6711394B2 (en) * | 1998-08-06 | 2004-03-23 | Isco International, Inc. | RF receiver having cascaded filters and an intermediate amplifier stage |
JP3399409B2 (ja) | 1998-09-11 | 2003-04-21 | 株式会社村田製作所 | 複合回路基板、非可逆回路素子、共振器、フィルタ、デュプレクサ、通信機装置、回路モジュール、ならびに複合回路基板の製造方法と非可逆回路素子の製造方法 |
EP1127031B1 (de) * | 1998-10-30 | 2006-12-13 | Lamina Ceramics, Inc. | Vergrabenes hochleistungs-hf-filter |
US6133806A (en) * | 1999-03-25 | 2000-10-17 | Industrial Technology Research Institute | Miniaturized balun transformer |
US6307509B1 (en) * | 1999-05-17 | 2001-10-23 | Trimble Navigation Limited | Patch antenna with custom dielectric |
WO2001001453A2 (en) | 1999-06-29 | 2001-01-04 | Sun Microsystems, Inc. | Method and apparatus for adjusting electrical characteristics of signal traces in layered circuit boards |
US6137376A (en) * | 1999-07-14 | 2000-10-24 | International Business Machines Corporation | Printed BALUN circuits |
TW471104B (en) * | 1999-07-26 | 2002-01-01 | Ibm | Low dielectric constant, porous film formed from regularly arrayed nanoparticles |
US6596462B2 (en) * | 1999-12-17 | 2003-07-22 | Konica Corporation | Printing plate element and preparation method of printing plate |
JP2001338813A (ja) * | 2000-05-29 | 2001-12-07 | Tdk Corp | 電子部品 |
JP2002158486A (ja) * | 2000-11-17 | 2002-05-31 | Res Inst Electric Magnetic Alloys | 電磁波吸収膜 |
JP3973915B2 (ja) * | 2001-03-30 | 2007-09-12 | 株式会社日立メディアエレクトロニクス | 高周波フィルタ、高周波回路、アンテナ共用器及び無線端末 |
US6661392B2 (en) * | 2001-08-17 | 2003-12-09 | Lucent Technologies Inc. | Resonant antennas |
-
2002
- 2002-06-27 US US10/184,854 patent/US6781486B2/en not_active Expired - Lifetime
-
2003
- 2003-06-13 AT AT03013581T patent/ATE337621T1/de not_active IP Right Cessation
- 2003-06-13 EP EP03013581A patent/EP1376745B1/de not_active Expired - Lifetime
- 2003-06-13 DE DE60307732T patent/DE60307732T2/de not_active Expired - Lifetime
- 2003-06-19 JP JP2003175150A patent/JP2004032762A/ja active Pending
- 2003-06-19 AU AU2003204881A patent/AU2003204881B2/en not_active Ceased
-
2007
- 2007-09-03 JP JP2007228109A patent/JP2008029026A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2004032762A (ja) | 2004-01-29 |
EP1376745A1 (de) | 2004-01-02 |
US20040000971A1 (en) | 2004-01-01 |
AU2003204881B2 (en) | 2004-11-25 |
ATE337621T1 (de) | 2006-09-15 |
JP2008029026A (ja) | 2008-02-07 |
US6781486B2 (en) | 2004-08-24 |
AU2003204881A1 (en) | 2004-01-22 |
DE60307732T2 (de) | 2007-08-23 |
EP1376745B1 (de) | 2006-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |